/*初始化*/
*{
    padding: 0;
    margin: 0;
}
/*初始化*/
/*导航栏定位*/
.box{
    position: relative;
}
.head{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color:#313131;
    z-index: 99;
}
/*导航栏定位*/
/*图片大小*/
.bg-img img{
    display:block;
    width: 1296px;
    height:auto;
    margin: 0 auto;
}
/*图片大小*/
/*滑动导航栏*/
.menu{
    width: 1296px;
    height: 58px;
    margin: 0 auto;
    border-bottom: 1px solid #E7e7e7e7;
}
.menu ul{
    display: flex;
    justify-content: center;
}
.menu ul li {
    list-style-type: none;
    margin: 0 30px;
}
.menu ul li a {
    display: inline-block;
    text-decoration: none;
    font-size: 12px;
    color: #313131;
    font-weight: 700;
    height:45px;
    line-height: 50px;
    transition: all .1s linear;
}
.active{
    border-bottom: 3px solid #313131;
}
.menu ul li:hover a{
    border-bottom: 3px solid #313131;
}
.menu ul li sup{
    font-size: 5px;
}
/*滑动导航栏*/
/*图片页面*/
.Shang-img{
    width: 1020px;
    margin: 30px auto;
    display: grid;
    grid-template-columns:repeat(2,500px);
    grid-template-rows: repeat(4,300px);
    column-gap:20px;
    row-gap:80px;
}
.img-box img{
    width: 500px;
    height: 281px;
}
.img-box:hover img{
    opacity: .9;
}
.img-font{
    font-size: 14px;
    color: #313131;
    font-weight: 600;
}
.img-font-min,.img-font{
    margin: 5px 10px;
}
.img-font-min{
    font-size: 12px;
    color: #a0a0a0;
}
/*图片页面*/






























